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Two changes to the watcher path (the always-on daemon every agent session uses), which previously paid a flat 2s debounce plus a full-tree scan-diff on every save even though the OS events name the exact files: 1. Adaptive debounce: a pending set of ≤2 files fires after a 300ms quiet window; ≥3 keeps the full configured window so agent multi-file bursts coalesce exactly as before. Re-arming preserves trailing-edge semantics; a user-set CODEGRAPH_WATCH_DEBOUNCE_MS remains the authoritative upper bound (quick window never exceeds it, floor 100ms). 2. Scoped sync: watcher-triggered syncs pass their pending paths, and the reconciler stats exactly those — per-path logic identical to the full walk (stat pre-filter, hash confirm, the #1240 removal/resurrection flow) — skipping the O(repo) scan and tracked-load. Strict fallbacks keep the full scan-diff as ground truth: directory removals (#1285 — the events can't name the children), empty pending sets (retry paths), and >500-file storms (branch checkouts, which also self-heal anything event coalescing dropped). filesChecked counts examined PATHS so a deletion-only scoped sync can't mimic the #449 lock-unavailable signature. Measured (warm in-process, the daemon path): dubbo one-file sync work 512→335ms, Swift compiler (27k files) 884→385ms — save-to-fresh-graph ≈0.6-0.7s end-to-end including the quick debounce, from ~2.5-6s perceived before. Gates: scoped-vs-full dumps byte-identical on dubbo AND the Swift compiler; watcher suite 30/30 (3 new: scoped pass-through, dir-removal fallback, quick-fire timing); sync suite 34/34 (4 new scoped-parity cases incl. delete-resurrection and the lock signature); full suite 2,696 ×2 with CODEGRAPH_KERNEL_EXPECT=1. Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
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{"rustc_fingerprint":4293921394394104691,"outputs":{"7971740275564407648":{"success":true,"status":"","code":0,"stdout":"___\nlib___.rlib\nlib___.so\nlib___.so\nlib___.a\nlib___.so\n/usr/local/rustup/toolchains/1.97.1-aarch64-unknown-linux-gnu\noff\npacked\nunpacked\n___\ndebug_assertions\npanic=\"unwind\"\nproc_macro\ntarget_abi=\"\"\ntarget_arch=\"aarch64\"\ntarget_endian=\"little\"\ntarget_env=\"gnu\"\ntarget_family=\"unix\"\ntarget_feature=\"neon\"\ntarget_has_atomic=\"128\"\ntarget_has_atomic=\"16\"\ntarget_has_atomic=\"32\"\ntarget_has_atomic=\"64\"\ntarget_has_atomic=\"8\"\ntarget_has_atomic=\"ptr\"\ntarget_has_atomic_primitive_alignment=\"128\"\ntarget_has_atomic_primitive_alignment=\"16\"\ntarget_has_atomic_primitive_alignment=\"32\"\ntarget_has_atomic_primitive_alignment=\"64\"\ntarget_has_atomic_primitive_alignment=\"8\"\ntarget_has_atomic_primitive_alignment=\"ptr\"\ntarget_os=\"linux\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"unknown\"\nunix\n","stderr":""},"4054631422912855907":{"success":true,"status":"","code":0,"stdout":"rustc 1.97.1 (8bab26f4f 2026-07-14)\nbinary: rustc\ncommit-hash: 8bab26f4f68e0e26f0bb7960be334d5b520ea452\ncommit-date: 2026-07-14\nhost: aarch64-unknown-linux-gnu\nrelease: 1.97.1\nLLVM version: 22.1.6\n","stderr":""}},"successes":{}} |